CN217461113U - Laminated slab bottom plate with concave and convex plate ends and without ribs and mounting structure - Google Patents
Laminated slab bottom plate with concave and convex plate ends and without ribs and mounting structure Download PDFInfo
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- CN217461113U CN217461113U CN202220634430.9U CN202220634430U CN217461113U CN 217461113 U CN217461113 U CN 217461113U CN 202220634430 U CN202220634430 U CN 202220634430U CN 217461113 U CN217461113 U CN 217461113U
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Abstract
The utility model relates to the technical field of building industrialization, in particular to a laminated slab bottom plate with concave and convex plate ends and no ribs and a mounting structure, which comprises a laminated slab bottom plate body, wherein a plurality of truss ribs which are arranged in parallel at intervals are arranged inside the laminated slab bottom plate body; a plate bottom stress rib net piece formed by connecting a plurality of first bottom ribs and a plurality of second bottom ribs is further arranged inside the laminated plate bottom plate body, and the length axes of the first bottom ribs are parallel to the length axes of the truss rib bottom ribs; the plate end of the laminated plate bottom plate body is provided with a plurality of grooves and a plurality of bulges; the end part of the groove bottom rib is exposed in the groove. The utility model discloses a superimposed sheet bottom plate atress dependable performance, simple structure have solved prefabricated superimposed sheet both ends and have gone out the main atress reinforcing bar and the stirrup of muscle and cast-in-place roof beam and collide the technical problem that can't install mutually when the installation, have simplified the construction procedure, make things convenient for the superimposed sheet bottom plate to be connected with the support fast at the scene, can obviously shorten construction cycle, reduce construction cost.
Description
Technical Field
The utility model relates to a building industrialization technical field specifically is a superimposed sheet bottom plate and mounting structure of concave protruding type of board end and no play muscle.
Background
The assembly type building is the most important form of building industrialization, and has the advantages of high construction speed, short engineering construction period, quality improvement, energy conservation, consumption reduction, clean production and the like. With the policy of the country for promoting the development of the fabricated building, the proportion of the fabricated building in the project is more and more.
Laminated slabs are important parts of a prefabricated concrete structure, and are used in large quantities in prefabricated construction works.
Use more truss reinforced concrete superimposed sheet's bottom plate in the engineering at present mostly goes out the muscle at four sides (go out the muscle for the reinforcing bar that superimposed sheet bottom plate tip stretches out, also called the hu zi muscle the utility model discloses an anchor reinforcing bar is called in the description, according to current standard and standard, the bottom plate goes out the muscle and should anchor not less than 5d (d is anchor reinforcing bar diameter) and cross support (roof beam or shear force wall) central line in the roof beam.
However, in the fabricated concrete frame structure, especially in the high-intensity area, the width of the frame beam is generally wide, so that the extending length of the rib at the end part of the bottom plate of the laminated slab is also long, the bottom plate of the laminated slab is very difficult to hoist due to the collision of the rib of the bottom plate with the longitudinal rib and the stirrup, and the contradiction is particularly prominent when the laminated slab is adjacent to the frame beam in the longitudinal direction and the transverse direction.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a superimposed sheet bottom plate and mounting structure of muscle are not just gone out to concave protruding type of board end.
The utility model discloses a realize through following technical scheme:
a laminated slab bottom plate with concave and convex plate ends and no ribs comprises a laminated slab bottom plate body, wherein a plurality of truss ribs arranged at intervals in parallel are arranged in the laminated slab bottom plate body; a plate bottom stressed reinforcing steel bar net piece formed by connecting a plurality of first bottom ribs and a plurality of second bottom ribs is further arranged inside the laminated plate bottom plate body, and the length axis of each first bottom rib is parallel to the length axis of the truss rib bottom rib of each truss rib; the laminated slab bottom plate comprises a laminated slab bottom plate body and is characterized in that a plurality of bulges and a plurality of grooves are arranged at the plate end of the laminated slab bottom plate body, the bulges and the grooves are alternately arranged at intervals, and the grooves are arranged from two side edges of the end part of the laminated slab bottom plate body; the first bottom rib comprises a groove bottom rib and a protrusion bottom rib, the end portion of the groove bottom rib is exposed in the groove, and the protrusion bottom rib is embedded in the protrusion.
Preferably, at least three truss ribs are arranged.
Preferably, the end part of the groove bottom rib is provided with a first inclined hook.
Preferably, all three sidelines of the groove are outwards inclined.
Preferably, the width of the groove is greater than or equal to the distance between the middle lines of two adjacent truss ribs; the sum of the widths of all the grooves is more than half of the width of the bottom plate body of the laminated plate.
Preferably, the cross-sectional area of the bottom ribs of all the truss ribs at the groove is greater than or equal to half of the sum of the cross-sectional areas of the bottom ribs of all the bulges at the adjacent bulges.
A laminated slab bottom plate mounting structure with concave-convex type plate ends and no ribs comprises a laminated slab support, a bottom plate additional rib, a straight thread sleeve and a laminated slab bottom plate, wherein one end of the bottom plate additional rib extends into the laminated slab support, and the other end of the bottom plate additional rib is connected with a groove bottom rib on a laminated slab bottom plate body; the straight thread sleeve is located at the groove, and the truss connecting steel bars in the laminated slab support are connected with the truss rib bottom ribs through the straight thread sleeve in an equal-strength mode.
Preferably, the depth of the groove is greater than the length of the additional rib at the bottom of the laminated slab extending into the bottom plate body of the laminated slab; the strength of the plate bottom additional rib is greater than or equal to that of the first bottom rib of the laminated slab bottom plate body.
Preferably, one end of the plate bottom additional rib close to the bottom plate body of the laminated plate is provided with a second inclined hook.
Preferably, the end part of the plate bottom additional rib close to the groove is also provided with a short structural rib, and the short structural rib is perpendicular to the plate bottom additional rib.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a superimposed sheet bottom plate atress dependable performance, the simple structure of concave protruding type of board end and play muscle have solved prefabricated superimposed sheet both ends and have gone out the main atress reinforcing bar of muscle and cast-in-place roof beam and the technical problem of the unable installation of collision of each other when stirrup installation, have simplified construction steps, make things convenient for the superimposed sheet bottom plate to be connected with the support fast at the scene, can obviously shorten construction cycle, reduce construction cost.
The end part of the laminated slab bottom plate body does not have ribs, so that the laminated slab bottom plate is convenient to transport and hoist. The concave-convex arrangement of the plate ends is beneficial to improving the reliability of horizontal force transmission in a plane between the floor and the main structure.
The sidelines of board end recess outwards incline the setting, makes cast in situ's concrete be the introversion, improves the shearing resistance bearing capacity of junction under the floor vertical load effect from the structure.
The utility model relates to a superimposed sheet mounting structure of concave protruding type of board end and play muscle is stretched into the support and is attached the intensity that adds the muscle the same with inboard reinforcing bar, and the area is not less than according to prefabricated superimposed sheet bottom plate atress reinforcing bar of present engineering way, has ensured superimposed sheet's atress performance's reliability.
The plate bottom additional rib is directly lapped with a stressed steel bar of the laminated slab bottom plate, the end part of the plate bottom additional rib is made into an inclined hook, a small short rib of the structure is additionally arranged in the vertical direction, the truss connecting rib and the truss bottom rib of the laminated slab bottom plate are mechanically connected by adopting a straight thread sleeve and other strong mechanisms, and the integrity of connection between the floor system and the main structure is structurally ensured.
Drawings
FIG. 1 is a schematic structural view of a bottom plate of a laminated slab with concave and convex end faces and no ribs;
FIG. 2 is a schematic view of a cross-sectional structure of a bottom plate of a laminated slab with concave and convex end faces and no ribs;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a schematic diagram of a bottom plate of a laminated slab with concave and convex plate ends and no ribs according to the present invention;
FIG. 6 is a schematic view of the bottom plate installation and connection of a laminated slab with concave and convex plate ends and no ribs according to the present invention;
FIG. 7 is an enlarged view of the structure at C in FIG. 6;
FIG. 8 is an enlarged view of a portion of the structure at D in FIG. 7
Fig. 9 is a schematic view of a groove mount connection.
In the figure, 1, a laminated slab bottom plate body; 2. truss ribs; 211. truss rib bottom ribs; 3. plate bottom steel bars; 31. a first bottom rib; 311. a groove bottom rib; 312. a raised bottom rib; 32. a second bottom rib; 4. a groove; 411. a side line; 5. a protrusion; 6. a straight threaded sleeve; 7. adding ribs at the bottom of the plate; 8. a laminated slab support; 9. constructing short ribs; 10. a template; 11. connecting the steel bars by a truss; 12. a first inclined hook; 13. a second inclined hook.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
The utility model discloses a superimposed sheet bottom plate of concave protruding type of board end and play muscle does not refer to 1, 2, including superimposed sheet bottom plate body 1, superimposed sheet bottom plate body 1's thickness is more than or equal to 60mm in this embodiment, and superimposed sheet bottom plate body 1 is inside to be equipped with at least three interval parallel arrangement's truss muscle 2.
The inside atress muscle reinforcing bar net piece at the bottom of the board that forms by the muscle is connected at the bottom of a plurality of first end muscle 31 and a plurality of second end muscle 32 that still is equipped with of superimposed sheet bottom plate body 1 refers to 2, 3, and the length axis of muscle 31 at the bottom of the first end is parallel with the length axis of muscle 211 at the bottom of the truss muscle of truss muscle 2.
The board end of superimposed sheet bottom plate body 1 is equipped with a plurality of archs 5 and a plurality of recess 4, and protruding 5 and recess 4 interval sets up in turn, and recess 4 is played from the both sides limit of superimposed sheet bottom plate body 1 tip and is established.
The first bottom rib 31 comprises a groove bottom rib 311 and a protrusion bottom rib 312, the end part of the groove bottom rib 311 is positioned in the groove 4, and the protrusion bottom rib 312 is embedded in the protrusion 5.
Referring to fig. 3, three side lines of the groove 4 are all outward inclined, in this embodiment, the outward inclination angle is 45 °, the projection size of the plane depth of the groove 4 is max (300mm, 0.75b), wherein b is the width of the laminated slab support 8 or the shear wall or the beam; the width of the groove 4 is larger than or equal to the distance between two adjacent truss ribs 2; the width of all the grooves 4 is greater than half of the width of the laminated slab bottom plate body 1, that is, the edge line 411 needs to pass through the center line between the adjacent truss ribs.
The cross-sectional area of all truss rib bottom ribs 211 at the groove 4 is more than or equal to half of the sum of the cross-sectional areas of all the protrusion bottom ribs 312 at the adjacent protrusion 5.
Referring to fig. 4, the end of the groove bottom rib 311 is provided with a first inclined hook 12, and an included angle between the first inclined hook 12 and the extension line of the groove bottom rib 311 is 135 degrees, so that the problem of collision in the connection process of the laminated slab bottom plate body 1 and the cast-in-place beam is avoided, and the construction method is optimized.
The utility model provides a superimposed sheet bottom plate mounting structure of concave-convex type of board end and no play muscle, refers to 5, 6, attaches at the bottom of superimposed sheet support 8, board and adds muscle 7, straight thread sleeve 6 and superimposed sheet bottom plate, and the intensity that attaches at the bottom of the board and adds muscle 7 is more than or equal to the intensity of superimposed sheet bottom plate body 1's first end muscle 31.
Referring to fig. 7, one end of the plate bottom additional rib 7 extends into the laminated slab support 8, the other end of the plate bottom additional rib extends into the laminated slab bottom plate body 1 and is in lap joint with the groove bottom rib 311, and the lap joint length is greater than or equal to max (250, 18d, 0.6b), wherein d is the diameter of the plate bottom additional rib 7; the length of the plate bottom additional rib 7 extending into the laminated slab support 8 is more than or equal to 5d and passes through the center line of the laminated slab support 8.
Referring to fig. 8, a second inclined hook 13 is arranged at one end of the plate bottom additional rib 7 close to the laminated slab bottom plate body 1, and an included angle formed between the second inclined hook 13 and an extension line of the plate bottom additional rib 7 is 135 degrees.
And the end part of the plate bottom additional rib 7 close to the groove 4 is also provided with a structural short rib 9, and the structural short rib 9 is vertical to the plate bottom additional rib 7.
Be equipped with threaded connection's straight thread sleeve 6 on the muscle 211 at the bottom of the truss muscle, straight thread sleeve 6 is located groove 4 department, and through strong connections such as straight thread sleeve 6 between the muscle 211 at the bottom of truss connection reinforcing bar 11 in the superimposed sheet support 8 and the truss muscle.
Before the laminated slab is hoisted, the slab bottom additional ribs 7 are placed above the template 10 according to the intervals of the groove bottom ribs 311, and in order to improve the force transmission effect of the slab bottom additional ribs 7, the end close to one end of the laminated slab bottom plate body 1 is made into a second inclined hook 13 with an angle of 135 degrees. In order to avoid the influence of the inclined hooks on the hoisting of the laminated slab bottom plate body 1, the end of the plate bottom additional rib 7 close to one end of the laminated slab bottom plate body 1 can be a 90-degree straight hook before hoisting, and after the hoisting of the laminated slab bottom plate is completed, the straight hook is pulled to 135 degrees by using the rib pulling device.
After the hoisting of the laminated slab bottom plate is completed, the truss rib bottom rib 211 positioned at the groove 4 is mechanically connected with the truss connecting steel bar 11 with the same specification through a straight threaded sleeve 6 and the like, and the other end of the truss connecting steel bar 11 extends into the laminated slab support 8 for more than or equal to 5d and passes through the central line of the laminated slab support 8.
Referring to fig. 9, the utility model relates to a superimposed sheet bottom plate mounting structure's of concave protruding type of board end and play muscle working process as follows:
step 1: and firstly supporting scaffolds of beams and plates and templates 10 at the grooves 4 of the bottom plates of the beams and the laminated slabs on site, and finishing the binding of the templates 10 and the reinforcing steel bars of the laminated slab support 8.
Step 2: according to the space and the position of the groove bottom rib 311 at the groove 4 on the laminated slab bottom plate body 1, the additional rib 7 is arranged at the bottom of the slab, one end of the additional rib extends into the laminated slab support 8, and the other end of the additional rib is arranged above the template 10.
And step 3: and hoisting the bottom plate of the laminated slab to the position required by the design, adjusting the position of the bottom additional rib 7, then using a rib pulling device to pull the end part of the bottom additional rib 7 to 135 degrees by a straight hook, binding the bottom additional rib 7 with the groove bottom rib 311, and arranging and constructing short ribs 9.
And 4, step 4: the bottom ribs 211 of the truss ribs are mechanically connected with the truss connecting steel bars 11 with the same specification through straight threaded sleeves 6 with equal strength, and the other ends of the truss connecting steel bars 11 extend into the laminated slab support 8.
And 5: laying pre-buried equipment pipelines and upper reinforcing steel bars in the laminated slab, and pouring and tamping the cast-in-place concrete.
Claims (10)
1. A laminated slab bottom plate with concave and convex plate ends and no ribs is characterized by comprising a laminated slab bottom plate body (1), wherein a plurality of truss ribs (2) which are arranged in parallel at intervals are arranged inside the laminated slab bottom plate body (1); a plate bottom stress rib net piece formed by connecting a plurality of first bottom ribs (31) and a plurality of second bottom ribs (32) is further arranged inside the laminated plate bottom plate body (1), and the length axis of each first bottom rib (31) is parallel to the length axis of a truss rib bottom rib (211) of each truss rib (2); the laminated slab bottom plate comprises a laminated slab bottom plate body (1), wherein a plurality of bulges (5) and a plurality of grooves (4) are arranged at the plate end of the laminated slab bottom plate body (1), the bulges (5) and the grooves (4) are alternately arranged at intervals, and the grooves (4) are arranged from two side edges of the end part of the laminated slab bottom plate body (1); the first bottom rib (31) comprises a groove bottom rib (311) and a protrusion bottom rib (312), the end portion of the groove bottom rib (311) is exposed in the groove (4), and the protrusion bottom rib (312) is embedded in the protrusion (5).
2. A composite slab bottom plate with concavo-convex bar ends according to claim 1, wherein at least three truss bars (2) are provided.
3. A laminated panel bottom panel of concavo-convex type without ribs according to claim 1, wherein the end of said groove bottom rib (311) is provided with a first inclined hook (12).
4. A panel-end male-female and non-ribbed laminated panel bottom panel according to claim 1, characterized in that the grooves (4) are outwardly inclined in all three borderlines.
5. A laminated slab floor with concavo-convex rib ends as claimed in claim 1, wherein the width of the groove (4) is greater than or equal to the distance between the center lines of two adjacent truss ribs (2); the sum of the widths of all the grooves (4) is more than half of the width of the laminated slab bottom plate body (1).
6. A panel-end male-female and rib-less composite floor according to claim 1, wherein the cross-sectional area of all truss rib bottom ribs (211) at the groove (4) is greater than or equal to half the sum of the cross-sectional areas of all the protrusion bottom ribs (312) at the adjacent protrusion (5).
7. A laminated slab bottom plate mounting structure with concave and convex plate ends and no ribs is characterized by comprising a laminated slab support (8), a bottom plate attached rib (7), a straight thread sleeve (6) and the laminated slab bottom plate as claimed in any one of claims 1 to 6, wherein one end of the bottom plate attached rib (7) extends into the laminated slab support (8), and the other end of the bottom plate attached rib is connected with a groove bottom rib (311) on a laminated slab bottom plate body (1); the straight thread sleeve (6) is located at the groove (4), and the truss connecting steel bars (11) in the laminated slab support (8) are connected with the truss rib bottom ribs (211) through the straight thread sleeve (6) at equal strength.
8. The laminated slab floor mounting structure with the concavo-convex plate ends and no ribs according to claim 7, wherein the depth of the groove (4) is larger than the length of the plate bottom additional rib (7) extending into the laminated slab floor body (1); the strength of the bottom additional rib (7) is greater than or equal to that of the first bottom rib (31) of the laminated slab bottom plate body (1).
9. The structure for mounting a bottom plate of a plywood with a concavo-convex rib structure according to claim 7, wherein said additional rib (7) is provided with a second inclined hook (13) at an end thereof adjacent to the bottom plate body (1).
10. The floor mounting structure of a laminated slab with concave-convex type board ends and no ribs according to claim 7, characterized in that the end part of the board bottom additional rib (7) close to the groove (4) is further provided with a construction short rib (9), and the construction short rib (9) is perpendicular to the board bottom additional rib (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220634430.9U CN217461113U (en) | 2022-03-22 | 2022-03-22 | Laminated slab bottom plate with concave and convex plate ends and without ribs and mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220634430.9U CN217461113U (en) | 2022-03-22 | 2022-03-22 | Laminated slab bottom plate with concave and convex plate ends and without ribs and mounting structure |
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| Publication Number | Publication Date |
|---|---|
| CN217461113U true CN217461113U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220634430.9U Active CN217461113U (en) | 2022-03-22 | 2022-03-22 | Laminated slab bottom plate with concave and convex plate ends and without ribs and mounting structure |
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| CN (1) | CN217461113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457949A (en) * | 2022-03-22 | 2022-05-10 | 中联西北工程设计研究院有限公司 | Laminated slab bottom plate with concave and convex plate ends and without ribs and mounting structure |
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2022
- 2022-03-22 CN CN202220634430.9U patent/CN217461113U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457949A (en) * | 2022-03-22 | 2022-05-10 | 中联西北工程设计研究院有限公司 | Laminated slab bottom plate with concave and convex plate ends and without ribs and mounting structure |
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